protected double internalForceLaw(
double x,
double
theLatticeSpacing) { // gives the restoring force of a spring when it is stretched d units
// from equilibrium
return a.getValue() * (Math.exp(-b.getValue() * x) - 1) / (16 * theLatticeSpacing);
}
protected double potentialEnergy(
double x,
double
theLatticeSpacing) { // gives the potential energy of a spring that joins the nodes. d is
// displacement from equilibrium
return ((a.getValue() / b.getValue()) * (Math.exp(-b.getValue() * x) - 1) + a.getValue() * x)
/ (16 * theLatticeSpacing); // ( (a/b) (exp(-b x) -1) + a x)/(16*latticeSpacing)
}
protected boolean doOK() {
String error = input.checkContents();
if (error != null) {
JOptionPane.showMessageDialog(
this, error, I18n.tr("vmm.core.SettingsDialog.errorTitle"), JOptionPane.ERROR_MESSAGE);
return false;
}
input.setValueFromContents();
double sep = multiplier.getValue();
if (sep != originalVal) {
Prefs.putDouble("eyeSeparationMultiplier", sep);
if (view.getViewStyle() == View3D.RED_GREEN_STEREO_VIEW
|| view.getViewStyle() == View3D.STEREOGRAPH_VIEW
|| view.getViewStyle() == View3D.CROSS_EYE_STEREO_VIEW) view.forceRedraw();
}
if (defaultAnaglyphButton.isSelected()) Prefs.put("view3d.initialAnaglyphMode", "default");
else if (alwaysAnaglyphButton.isSelected()) {
if (view.getViewStyle() == View3D.MONOCULAR_VIEW)
view.setViewStyle(View3D.RED_GREEN_STEREO_VIEW);
Prefs.put("view3d.initialAnaglyphMode", "always");
} else if (neverAnaglyphButton.isSelected()) {
if (view.getViewStyle() == View3D.RED_GREEN_STEREO_VIEW)
view.setViewStyle(View3D.MONOCULAR_VIEW);
Prefs.put("view3d.initialAnaglyphMode", "never");
}
if (moveObjectsForwardInAnaglyphToggle.isSelected()) {
if (view.getViewStyle() == View3D.RED_GREEN_STEREO_VIEW && view.getTransform3D() != null) {
double extent =
Math.max(
view.getTransform3D().getXmaxRequested() - view.getTransform3D().getXminRequested(),
view.getTransform3D().getYmaxRequested()
- view.getTransform3D().getYminRequested());
view.getTransform3D().setObjectDisplacementNormalToScreen(extent / 3);
}
Prefs.put("view3d.moveObjectsForwardInAnaglyph", "yes");
} else {
if (view.getViewStyle() == View3D.RED_GREEN_STEREO_VIEW && view.getTransform3D() != null)
view.getTransform3D().setObjectDisplacementNormalToScreen(0);
Prefs.put("view3d.moveObjectsForwardInAnaglyph", "no");
}
return true;
}
